zeroshade commented on code in PR #401:
URL: https://github.com/apache/iceberg-go/pull/401#discussion_r2096028620
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table/metadata.go:
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@@ -187,14 +187,14 @@ func MetadataBuilderFromBase(metadata Metadata)
(*MetadataBuilder, error) {
b.loc = metadata.Location()
b.lastUpdatedMS = metadata.LastUpdatedMillis()
b.lastColumnId = metadata.LastColumnID()
- b.schemaList = metadata.Schemas()
+ b.schemaList = slices.Clone(metadata.Schemas())
b.currentSchemaID = metadata.CurrentSchema().ID
- b.specs = metadata.PartitionSpecs()
+ b.specs = slices.Clone(metadata.PartitionSpecs())
b.defaultSpecID = metadata.DefaultPartitionSpec()
b.lastPartitionID = metadata.LastPartitionSpecID()
- b.props = metadata.Properties()
- b.snapshotList = metadata.Snapshots()
- b.sortOrderList = metadata.SortOrders()
+ b.props = maps.Clone(metadata.Properties())
+ b.snapshotList = slices.Clone(metadata.Snapshots())
+ b.sortOrderList = slices.Clone(metadata.SortOrders())
Review Comment:
I wonder if there's a way we could lazily do this cloning? Avoid performing
the copies until we actually need to?
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